Finding the Fourth Proportional to 23,445, 32,354.12 and 12,835.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,445 : 32,354.12 = 12,835.28 : x
2. Step 2: Convert to fraction form
   23,445/32,354.12 = 12,835.28/x
3. Step 3: Cross multiply
   23,445x = 32,354.12 × 12,835.28
4. Step 4: Simplify right side
   23,445x = 415,274,189.35
5. Step 5: Solve for x
   x = 415,274,189.35/23,445
6. Step 6: Final answer
   x = 17,712.70